<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<!-- 引入外部js后，无法在该script中添加内容 -->
		<script type="text/javascript" src="../js/script.js"></script>
		<script type="text/javascript">
			alert("内部js")
		</script>
	</head>
	<body>
		<button type="button" onclick="alert('click')">test</button>
		<a href="javascript:alert('click2')">test2</a>
		<a href="javascript:;">test3</a>
	</body>
</html>
